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Limestone, AL

Moderate Risk (38/100)

Transparent derived index from EPA TRI / SDWIS / Superfund extracts: not an official EPA rating. Fixed caps: facilities ≤25 pts (50+ = max), log10 releases ≤25 pts, Superfund ≤25 pts (5/site), health-violation systems ≤15 pts (3/system), high-chemical facilities ≤10 pts. Bands: High ≥60, Moderate ≥30. See methodology.

Environmental data for Limestone in Alabama · Population: 107,577

TRI sites such as Mazda Toyota Manufacturing USA Inc.; Snap-On Tools Elkmont Manufacturing; Daikyonishikawa USA Inc.; SDWIS systems such as TRIANA WATER WORKS; SWAN CREEK COMMUNITY anchor Limestone, AL's EPA extract. Derived burden score 38/100 (Moderate Risk) uses fixed national caps on density, log release volume, Superfund count, and health-flagged systems - not an official EPA rating.

Mazda Toyota Manufacturing USA Inc.; Snap-On Tools Elkmont Manufacturing; Daikyonishikawa USA Inc. are among the largest Form R filers reporting in Limestone; no SDWIS system here carries an active health-based flag. No AQS county monitors report here.

Burden score 38/100 (Moderate Risk) is the only weighted composite on this page. The tables below list every TRI facility, SDWIS system, and Superfund site EPA has on record for Limestone -- not just the names called out above -- reproducing the disclosure history as filed, not a current-safety verdict. Extract current as of 2026-08-25.

Release-over-release change

What changed for Limestone, AL: EPA TRI 2023 reporting year

2022 → 2023

Same facilities, both years

+21.0%

15 facilities that filed in 2022 and 2023

Whole inventory

+21.0%

302.6 thousand lb → 366.2 thousand lb, every facility that filed

  • Limestone, AL's total reported releases rose from 302.6 thousand lb in 2022 to 366.2 thousand lb in 2023, based on EPA TRI filings.
  • Limestone, AL's water releases rose from 199 lb in 2022 to 663 lb in 2023, based on EPA TRI filings.
  • Limestone, AL's off-site transfers fell from 67.9 thousand lb in 2022 to 36.8 thousand lb in 2023, based on EPA TRI filings.
  • Limestone, AL's air releases rose from 233.8 thousand lb in 2022 to 328.2 thousand lb in 2023, based on EPA TRI filings.
County population (Census ACS)
107,577
TRI Facilities
18
Water Systems
2
Superfund Sites
0
Total Releases
845.2K lbs

Water Systems (2)

System System pop (SDWIS) Violations
TRIANA WATER WORKS 7,038 0
SWAN CREEK COMMUNITY 324 0

TRI Facilities (18)

# Facility Total Releases
1 Mazda Toyota Manufacturing USA Inc. 491.6K lbs
2 Snap-On Tools Elkmont Manufacturing 138.1K lbs
3 Daikyonishikawa USA Inc. 71.5K lbs
4 Dura Coat Products Inc. 60.6K lbs
5 Tenneco Powertrain 36.1K lbs
6 American Leakless Co LLC 21.3K lbs
7 Carpenter Technology Corp 20.4K lbs
8 US Tva Browns Ferry Nuclear Plant 2.9K lbs
9 Tris USA Inc 2.5K lbs
10 Polaris Industries Inc Huntsville Facility 65 lbs
11 Carpenter Technology Corp - Athens South 56 lbs
12 Bodycote Thermal Processing Inc 15 lbs
13 Foley Products Co - Athens 1 lbs
14 Woodbridge Alabama LP 1 lbs
15 Prowood LLC Athens 0 lbs
16 Aviagen Feed Processing Unit 0 lbs
17 Ready Mix USA LLC (athens Plant) 0 lbs
18 Ready Mix USA LLC - Mooresville Plant - 5217 0 lbs

Cities in Limestone (4)

Athens
9 facilities · 2 water
Madison
9 facilities · 2 water
Tanner
3 facilities · 1 water
Elkmont
1 facilities · 0 water

Frequently Asked Questions

What is the environmental risk level in Limestone, Alabama? ▼
Limestone, AL has an environmental risk score of 38/100 (Moderate Risk), based on 18 TRI facilities, 0 Superfund sites, and 2 water systems on record. No water systems have current health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Limestone? ▼
No Superfund National Priorities List (NPL) sites are currently registered in Limestone, AL in the EPA database.
How many toxic release facilities are in Limestone? ▼
Limestone, AL has 18 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 845.2K lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Limestone? ▼
Air quality monitoring data (EPA AQS) is not available for Limestone, AL. This may indicate no EPA monitoring stations are located in the county. For regional air quality data, see the state environmental profile or visit EPA's AirNow.gov.
Is the drinking water safe in Limestone? ▼
Limestone, AL has 2 EPA-regulated water systems. No health-based violations are currently on record. For current water quality, contact your local water utility. Source: EPA SDWIS.
What environmental agencies cover Limestone? ▼
Environmental compliance in Limestone, Alabama is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the Alabama state environmental agency. Facilities report to the EPA Toxic Release Inventory, water systems are regulated under the Safe Drinking Water Act, and contaminated sites are managed under the Superfund program. Contact your state environmental agency for local concerns.

What does this county environmental profile show?

This county environmental profile rolls up EPA Toxics Release Inventory facility reports, Safe Drinking Water Information System public-water-system filings, and Superfund National Priorities List sites for the county boundary defined by the U.S. Census Bureau. Facility counts reflect facilities with a reporting address inside the county, not where downstream environmental effects may be observed. Population figures are from the most recent Census ACS 5-year estimate. The county detail page is updated whenever the upstream EPA programs publish revised data; see the methodology page for the documented ingest cadence and the editorial choices governing how aggregations are computed.

Related Guides

Understanding EPA Data
How EPA collects and publishes environmental data
Environmental Justice
Who lives near polluters and environmental hazards
How to Check Environmental Quality
Step-by-step guide to checking your local environment

Read our methodology - how this data is sourced, computed, and verified.

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Data sourced from U.S. EPA environmental datasets. See our methodology for details. Retrieved and formatted by PlainEnviro